Stemona lucida (R.Br.) Duyfjes
Duyfjes, B.E.E. (1991) Blumea 36(1): 243.
A slender vine not exceeding a stem diameter of 2 cm.
Leaf blades triangular, thin in texture, about 5-10.5 x 1.8-7 cm, petioles about 1-4 cm long, shallowly grooved on the upper surface. Margins thickened and +/- vein-like. Venation +/- longitudinal with 3-9 main longitudinal veins including the midrib, veins between the main veins run transversely at an angle of 80-85 degrees to the main veins and are close, numerous and parallel to one another.
Flowers produced in a slender raceme about 4-6 cm long or on a peduncle about 3 cm long, each pedicel about 5-6 mm long, subtended by a purplish bract about 3 mm long. Flowers about 11-15 mm diam. Tepals 4 + 4 in two whorls. Outer tepals about 8-15 x 2.5 mm. Inner tepals about 10-11 x 1-1.5 mm. Stamens four. Anthers about 4 mm long, attached to the base of the inner tepals or staminal tube. Apex of each anther ending in a filiform tip about 3-5 mm long. Pollen pale yellow. Ovules 6-10.
One cataphyll produced before the first leaf. First true leaves triangular-ovate, apex subulate-acuminate, base truncate-obtuse. Leaf blades 5-veined at the base, reticulate veins +/- perpendicular to the midrib. Midrib depressed on the upper surface. Leaves produced in two rows or ranks. Stems zig-zagged. Seed germination time 194 days.